Valdir de Souza

ORCID: 0000-0003-3816-306X
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About
Contact & Profiles
Research Areas
  • Endodontics and Root Canal Treatments
  • Dental Radiography and Imaging
  • Dental Trauma and Treatments
  • Dental materials and restorations
  • Medical and Biological Sciences
  • Dental Anxiety and Anesthesia Techniques
  • Oral and Maxillofacial Pathology
  • Laser Applications in Dentistry and Medicine
  • dental development and anomalies
  • Surgical Sutures and Adhesives
  • Dental Erosion and Treatment
  • Corrosion Behavior and Inhibition
  • Drilling and Well Engineering
  • Materials Engineering and Processing
  • Hemostasis and retained surgical items
  • Concrete and Cement Materials Research
  • Bone and Dental Protein Studies
  • Spine and Intervertebral Disc Pathology
  • Concrete Corrosion and Durability
  • Orthodontics and Dentofacial Orthopedics
  • Nuclear and radioactivity studies
  • Medical research and treatments
  • Erosion and Abrasive Machining
  • Nuclear Materials and Properties
  • Inflammatory mediators and NSAID effects

Belgian Nuclear Research Centre
2020-2024

Universidade Estadual Paulista (Unesp)
2004-2021

Universidade Federal Rural da Amazônia
2021

Universidade Estadual de Maringá
2021

Universidade Federal de Ouro Preto
2021

Universidade Federal de Viçosa
2021

Lloyd's
2020

Senergy (United Kingdom)
2014-2016

ENT and Allergy
2016

Universidade de Marília
2004-2011

This in vivo study compared the effect of mineral trioxide aggregate (MTA), IRM, Super EBA and ZOE a puttylike consistency, used as retrofilling materials, healing process periapical tissue pulpless dogs' teeth submitted to conventional technique. Twenty-four premolars obtained from three dogs were used. At first intervention, animals anesthetized, coronal access was pulpectomy done. Root canals kept open oral environment for 180 days induce formation apical lesions. After surgical removal...

10.1590/s0103-64402005000200012 article EN cc-by Brazilian Dental Journal 2005-08-01

The purpose of this study was to investigate the periapical healing process dogs' teeth with or without apical patency and after root canal filling two types sealers. Forty roots premolars incisors were utilized. canals overinstrumented dressed a corticosteroid-antibiotic solution for 7 days obtain ingrowth connective tissue into canals. After period, removed in half specimens (groups patency) preserved other patency). Canals filled by lateral condensation technique gutta-percha points...

10.1590/s0103-64402005000100002 article EN cc-by Brazilian Dental Journal 2005-04-01

Abstract Aim The present randomized, controlled prospective study evaluated the histomorphological response of human dental pulps capped with two grey mineral trioxide aggregate (MTA) compounds. Methodology Pulp exposures were performed on occlusal floor 40 permanent pre‐molars. pulp was either ProRoot (Dentsply) or MTA‐Angelus (Angelus) and restored zinc oxide eugenol cement. After 30 60 days, teeth extracted processed for histological examination effects scored. data subjected to...

10.1111/j.1365-2591.2008.01485.x article EN International Endodontic Journal 2009-01-06

The objective of this study was to evaluate the influence irrigants on antimicrobial potential calcium hydroxide paste in dogs' teeth with apical periodontitis. Forty-eight premolar adult mongrel dogs had their root canals opened oral environment for 6 months. were prepared and treated different irrigating solutions intracanal medicaments, according following groups: 1) 2.5% sodium hypochlorite (NaOCl) + (CHP); 2) 2% chlorhexidine (CHX) CHP; 3) vinegar 4) vinegar. In group 4, both solution...

10.1590/s0103-64402004000300003 article EN cc-by Brazilian Dental Journal 2004-12-01

Abstract – This study analyzed mineral trioxide aggregate (MTA) as a root canal filling material for the immediate reimplantation of monkey teeth. Four adult capuchin monkeys Cebus apella were used, which had their maxillary and mandibular lateral incisors on both sides extracted reimplanted after 15 min. During extra‐alveolar period, teeth kept in saline solution retention was performed with stainless steel wire composite resin 14 days. After 7 days, submitted to endodontic treatment...

10.1111/j.1600-9657.2006.00456.x article EN Dental Traumatology 2007-07-25

Os biomateriais têm se destacado como um campo essencial na área biomédica, impulsionados por avanços tecnológicos que ampliam sua aplicabilidade. Em especial, os hidrogéis poliméricos apresentam grande potencial devido à capacidade de mimetizar a matriz extracelular, favorecendo engenharia tecidual e liberação controlada fármacos. Quando combinados impressão 3D, possibilitam criação estruturas personalizadas para regeneração celular administração compostos bioativos. A 3D tem revolucionado...

10.55905/rmuscv3n1-012 article PT Revista Multidisciplinar do UniSantaCruz 2025-04-14
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